EP3370327A4 - Rotary electric machine - Google Patents

Rotary electric machine Download PDF

Info

Publication number
EP3370327A4
EP3370327A4 EP16859329.1A EP16859329A EP3370327A4 EP 3370327 A4 EP3370327 A4 EP 3370327A4 EP 16859329 A EP16859329 A EP 16859329A EP 3370327 A4 EP3370327 A4 EP 3370327A4
Authority
EP
European Patent Office
Prior art keywords
electric machine
rotary electric
rotary
machine
electric
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP16859329.1A
Other languages
German (de)
French (fr)
Other versions
EP3370327A1 (en
Inventor
Kodai OKAZAKI
Masatsugu Nakano
Kazumasa Ito
Yu HIROTANI
Hiroko Ikeda
Koji Kawamura
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of EP3370327A1 publication Critical patent/EP3370327A1/en
Publication of EP3370327A4 publication Critical patent/EP3370327A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters
    • H02K7/116—Structural association with clutches, brakes, gears, pulleys or mechanical starters with gears
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/28—Layout of windings or of connections between windings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/04—Power-assisted or power-driven steering electrical, e.g. using an electric servo-motor connected to, or forming part of, the steering gear
    • B62D5/0421—Electric motor acting on or near steering gear
    • B62D5/0424—Electric motor acting on or near steering gear the axes of motor and final driven element of steering gear, e.g. rack, being parallel
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/12—Stationary parts of the magnetic circuit
    • H02K1/14—Stator cores with salient poles
    • H02K1/146—Stator cores with salient poles consisting of a generally annular yoke with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K11/00—Structural association of dynamo-electric machines with electric components or with devices for shielding, monitoring or protection
    • H02K11/30—Structural association with control circuits or drive circuits
    • H02K11/33—Drive circuits, e.g. power electronics
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K21/00—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets
    • H02K21/12—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets
    • H02K21/14—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures
    • H02K21/16—Synchronous motors having permanent magnets; Synchronous generators having permanent magnets with stationary armatures and rotating magnets with magnets rotating within the armatures having annular armature cores with salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K29/00—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices
    • H02K29/03—Motors or generators having non-mechanical commutating devices, e.g. discharge tubes or semiconductor devices with a magnetic circuit specially adapted for avoiding torque ripples or self-starting problems
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K3/00—Details of windings
    • H02K3/04—Windings characterised by the conductor shape, form or construction, e.g. with bar conductors
    • H02K3/18—Windings for salient poles
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K5/00—Casings; Enclosures; Supports
    • H02K5/04—Casings or enclosures characterised by the shape, form or construction thereof
    • H02K5/22—Auxiliary parts of casings not covered by groups H02K5/06-H02K5/20, e.g. shaped to form connection boxes or terminal boxes
    • H02K5/225—Terminal boxes or connection arrangements
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/276—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM]
    • H02K1/2766—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect
    • H02K1/2773—Magnets embedded in the magnetic core, e.g. interior permanent magnets [IPM] having a flux concentration effect consisting of tangentially magnetized radial magnets
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K1/00—Details of the magnetic circuit
    • H02K1/06—Details of the magnetic circuit characterised by the shape, form or construction
    • H02K1/22—Rotating parts of the magnetic circuit
    • H02K1/27—Rotor cores with permanent magnets
    • H02K1/2706—Inner rotors
    • H02K1/272—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis
    • H02K1/274—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets
    • H02K1/2753—Inner rotors the magnetisation axis of the magnets being perpendicular to the rotor axis the rotor consisting of two or more circumferentially positioned magnets the rotor consisting of magnets or groups of magnets arranged with alternating polarity
    • H02K1/278—Surface mounted magnets; Inset magnets
    • H02K1/2781—Magnets shaped to vary the mechanical air gap between the magnets and the stator
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K2213/00—Specific aspects, not otherwise provided for and not covered by codes H02K2201/00 - H02K2211/00
    • H02K2213/03—Machines characterised by numerical values, ranges, mathematical expressions or similar information

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Windings For Motors And Generators (AREA)
EP16859329.1A 2015-10-28 2016-02-26 Rotary electric machine Pending EP3370327A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015211874 2015-10-28
PCT/JP2016/055896 WO2017073092A1 (en) 2015-10-28 2016-02-26 Rotary electric machine

Publications (2)

Publication Number Publication Date
EP3370327A1 EP3370327A1 (en) 2018-09-05
EP3370327A4 true EP3370327A4 (en) 2018-11-21

Family

ID=58631522

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16859329.1A Pending EP3370327A4 (en) 2015-10-28 2016-02-26 Rotary electric machine

Country Status (5)

Country Link
US (1) US10833549B2 (en)
EP (1) EP3370327A4 (en)
JP (1) JP6415746B2 (en)
CN (1) CN108141090B (en)
WO (1) WO2017073092A1 (en)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190068044A1 (en) * 2010-01-25 2019-02-28 Svetozar B. Petrovich In Evolution of Gravity Fields
CN108141087B (en) 2015-10-28 2019-12-06 三菱电机株式会社 Rotating electrical machine
KR102510020B1 (en) 2015-11-05 2023-03-14 엘지이노텍 주식회사 Busbar, motor and power transmission system
CN108886313B (en) * 2016-03-29 2020-10-09 三菱电机株式会社 Electric motor
WO2017169131A1 (en) * 2016-03-30 2017-10-05 日本電産株式会社 Motor
US11387764B2 (en) * 2018-07-12 2022-07-12 Zunum Aero, Inc. Multi-inverter system for electric machine
KR20210048501A (en) * 2018-08-07 2021-05-03 타우 모터스, 인크. Electric motor
JP7293702B2 (en) * 2019-02-08 2023-06-20 株式会社デンソー Rotating electric machine
JP7103299B2 (en) * 2019-04-22 2022-07-20 株式会社デンソー Rotating electric machine
GB2586989B (en) * 2019-09-11 2022-07-27 Rolls Royce Plc Electric Machines
WO2021053797A1 (en) * 2019-09-19 2021-03-25 三菱電機株式会社 Rotating electric machine and ceiling fan
CN114514670A (en) * 2019-09-23 2022-05-17 株式会社电装多利牡 Rotating electrical machine and stator for rotating electrical machine
JPWO2021193462A1 (en) * 2020-03-25 2021-09-30
JP2021164304A (en) * 2020-03-31 2021-10-11 日本電産株式会社 motor
JP7227938B2 (en) * 2020-05-15 2023-02-22 株式会社デンソー Rotating electric machine
JP2022014306A (en) * 2020-07-06 2022-01-19 株式会社デンソー Rotary electric machine
US20230253846A1 (en) * 2020-07-20 2023-08-10 Moog Inc. Fault tolerant redundant electric motor
CN116633059B (en) * 2023-05-15 2024-05-14 浙江大学 Motor forming winding structure and processing method thereof

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009213257A (en) * 2008-03-04 2009-09-17 Hitachi Ltd Rotating electric machine
EP2107666A2 (en) * 2008-04-04 2009-10-07 Mitsubishi Electric Corporation Permanent magnet rotating electric machine and electric power steering device using the same
EP2787611A1 (en) * 2011-12-02 2014-10-08 Mitsubishi Electric Corporation Permanent magnet type concentrated winding motor
US20150010412A1 (en) * 2013-07-02 2015-01-08 Danfoss Tianjin Ltd. Stator, motor and compressor

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711008A (en) * 1950-10-26 1955-06-21 Beresford James & Son Ltd Manufacture of stators for electric motors
US4403401A (en) * 1978-09-15 1983-09-13 General Electric Company Method of making a dynamoelectric machine stator having concentric amorphous metal laminations
JP3604577B2 (en) 1999-02-26 2004-12-22 三菱電機株式会社 DC motor
US20090230805A1 (en) * 2005-09-07 2009-09-17 Hirotatsu Ikeno Motor for electric power steering apparatus
DE102009036034B4 (en) * 2009-08-04 2011-07-07 FEAAM GmbH, 85579 Electric machine
JP5538984B2 (en) * 2010-04-06 2014-07-02 三菱電機株式会社 Permanent magnet motor
DE102011078157A1 (en) 2011-06-28 2013-01-03 Robert Bosch Gmbh Electric machine e.g. brushless electric machine, for use in electrical power steering apparatus, has coil whose windings are wound around rotor poles, where one of coils in coil group has number of turns smaller than that of other coils
JP2014068497A (en) * 2012-09-27 2014-04-17 Hitachi Automotive Systems Ltd Rotary electric machine and electrically-driven power steering device using the same
KR102124042B1 (en) 2013-02-18 2020-06-18 삼성디스플레이 주식회사 Vapor deposition apparatus and method for manufacturing organic light emitting display apparatus
JP2014158396A (en) 2013-02-18 2014-08-28 Mitsubishi Electric Corp Synchronous motor stator
JP5677530B2 (en) * 2013-08-07 2015-02-25 東芝産業機器システム株式会社 Stator winding of rotating electrical machine, stator of rotating electrical machine, method for manufacturing stator of rotating electrical machine, and jig used for manufacturing stator of rotating electrical machine

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2009213257A (en) * 2008-03-04 2009-09-17 Hitachi Ltd Rotating electric machine
EP2107666A2 (en) * 2008-04-04 2009-10-07 Mitsubishi Electric Corporation Permanent magnet rotating electric machine and electric power steering device using the same
EP2787611A1 (en) * 2011-12-02 2014-10-08 Mitsubishi Electric Corporation Permanent magnet type concentrated winding motor
US20150010412A1 (en) * 2013-07-02 2015-01-08 Danfoss Tianjin Ltd. Stator, motor and compressor

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017073092A1 *

Also Published As

Publication number Publication date
CN108141090A (en) 2018-06-08
US20180248433A1 (en) 2018-08-30
EP3370327A1 (en) 2018-09-05
US10833549B2 (en) 2020-11-10
CN108141090B (en) 2019-10-18
JPWO2017073092A1 (en) 2018-02-22
WO2017073092A1 (en) 2017-05-04
JP6415746B2 (en) 2018-10-31

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